diff --git a/src/main/java/forge/game/phase/CombatUtil.java b/src/main/java/forge/game/phase/CombatUtil.java
index f950b36e7e4..b388dee7601 100644
--- a/src/main/java/forge/game/phase/CombatUtil.java
+++ b/src/main/java/forge/game/phase/CombatUtil.java
@@ -1996,7 +1996,8 @@ public class CombatUtil {
      *            a {@link forge.game.phase.Combat} object.
      * @return a int.
      */
-    public static int predictToughnessBonusOfAttacker(final Card attacker, final Card defender, final Combat combat) {
+    public static int predictToughnessBonusOfAttacker(final Card attacker, final Card defender, final Combat combat
+            , boolean withoutAbilities) {
         int toughness = 0;
 
         //check Exalted only for the first attacker
@@ -2121,6 +2122,25 @@ public class CombatUtil {
                 toughness += CardFactoryUtil.xCount(source, bonus);
             }
         }
+        if (withoutAbilities) {
+            return toughness;
+        }
+        for (SpellAbility ability : attacker.getAllSpellAbilities()) {
+            if (!(ability instanceof AbilityActivated) || ability.getPayCosts() == null) {
+                continue;
+            }
+
+            if (ability.getApi() != ApiType.Pump || !ability.hasParam("NumDef")) {
+                continue;
+            }
+
+            if (!ability.getPayCosts().getTap() && ComputerUtil.canPayCost(ability, attacker.getController())) {
+                int tBonus = AbilityFactory.calculateAmount(ability.getSourceCard(), ability.getParam("NumDef"), ability);
+                if (tBonus > 0) {
+                    toughness += tBonus;
+                }
+            }
+        }
         return toughness;
     }
 
@@ -2291,7 +2311,7 @@ public class CombatUtil {
             defenderDamage = defender.getNetDefense()
                     + CombatUtil.predictToughnessBonusOfBlocker(attacker, defender, withoutAbilities);
             attackerDamage = attacker.getNetDefense()
-                    + CombatUtil.predictToughnessBonusOfAttacker(attacker, defender, combat);
+                    + CombatUtil.predictToughnessBonusOfAttacker(attacker, defender, combat, withoutAbilities);
         }
 
         int possibleDefenderPrevention = 0;
@@ -2308,7 +2328,7 @@ public class CombatUtil {
         final int defenderLife = defender.getKillDamage()
                 + CombatUtil.predictToughnessBonusOfBlocker(attacker, defender, withoutAbilities);
         final int attackerLife = attacker.getKillDamage()
-                + CombatUtil.predictToughnessBonusOfAttacker(attacker, defender, combat);
+                + CombatUtil.predictToughnessBonusOfAttacker(attacker, defender, combat, withoutAbilities);
 
         if (defender.hasKeyword("Double Strike")) {
             if (defenderDamage > 0 && (defender.hasKeyword("Deathtouch")
@@ -2439,7 +2459,7 @@ public class CombatUtil {
             defenderDamage = defender.getNetDefense()
                     + CombatUtil.predictToughnessBonusOfBlocker(attacker, defender, withoutAbilities);
             attackerDamage = attacker.getNetDefense()
-                    + CombatUtil.predictToughnessBonusOfAttacker(attacker, defender, combat);
+                    + CombatUtil.predictToughnessBonusOfAttacker(attacker, defender, combat, withoutAbilities);
         }
 
         int possibleDefenderPrevention = 0;
@@ -2464,7 +2484,7 @@ public class CombatUtil {
         final int defenderLife = defender.getKillDamage()
                 + CombatUtil.predictToughnessBonusOfBlocker(attacker, defender, withoutAbilities);
         final int attackerLife = attacker.getKillDamage()
-                + CombatUtil.predictToughnessBonusOfAttacker(attacker, defender, combat);
+                + CombatUtil.predictToughnessBonusOfAttacker(attacker, defender, combat, withoutAbilities);
 
         if (attacker.hasKeyword("Double Strike")) {
             if (attackerDamage > 0 && (attacker.hasKeyword("Deathtouch")
diff --git a/src/main/java/forge/game/player/ComputerUtilAttack.java b/src/main/java/forge/game/player/ComputerUtilAttack.java
index d09c3f2a96d..f858649c04e 100644
--- a/src/main/java/forge/game/player/ComputerUtilAttack.java
+++ b/src/main/java/forge/game/player/ComputerUtilAttack.java
@@ -131,7 +131,7 @@ public class ComputerUtilAttack {
     public final boolean isEffectiveAttacker(final Player ai, final Card attacker, final Combat combat) {
 
         // if the attacker will die when attacking don't attack
-        if ((attacker.getNetDefense() + CombatUtil.predictToughnessBonusOfAttacker(attacker, null, combat)) <= 0) {
+        if ((attacker.getNetDefense() + CombatUtil.predictToughnessBonusOfAttacker(attacker, null, combat, true)) <= 0) {
             return false;
         }
 
diff --git a/src/main/java/forge/game/player/ComputerUtilBlock.java b/src/main/java/forge/game/player/ComputerUtilBlock.java
index 7e4b033ab1b..6b8c91acc3c 100644
--- a/src/main/java/forge/game/player/ComputerUtilBlock.java
+++ b/src/main/java/forge/game/player/ComputerUtilBlock.java
@@ -426,7 +426,7 @@ public class ComputerUtilBlock {
                     CardLists.sortAttack(firstStrikeBlockers);
                     for (final Card blocker : firstStrikeBlockers) {
                         final int damageNeeded = attacker.getKillDamage()
-                                + CombatUtil.predictToughnessBonusOfAttacker(attacker, blocker, combat);
+                                + CombatUtil.predictToughnessBonusOfAttacker(attacker, blocker, combat, false);
                         // if the total damage of the blockgang was not enough
                         // without but is enough with this blocker finish the
                         // blockgang
@@ -493,7 +493,7 @@ public class ComputerUtilBlock {
                         .getEnoughDamageToKill(attacker.getNetCombatDamage(), attacker, true);
                 final int addedValue = CardFactoryUtil.evaluateCreature(blocker);
                 final int damageNeeded = attacker.getKillDamage()
-                        + CombatUtil.predictToughnessBonusOfAttacker(attacker, blocker, combat);
+                        + CombatUtil.predictToughnessBonusOfAttacker(attacker, blocker, combat, false);
                 if ((damageNeeded > currentDamage || CombatUtil.needsBlockers(attacker) > blockGang.size())
                         && !(damageNeeded > currentDamage + additionalDamage)
                         // The attacker will be killed
@@ -666,7 +666,7 @@ public class ComputerUtilBlock {
             safeBlockers = ComputerUtilBlock.getSafeBlockers(attacker, blockers, combat);
             for (final Card blocker : safeBlockers) {
                 final int damageNeeded = attacker.getKillDamage()
-                        + CombatUtil.predictToughnessBonusOfAttacker(attacker, blocker, combat);
+                        + CombatUtil.predictToughnessBonusOfAttacker(attacker, blocker, combat, false);
                 // Add an additional blocker if the current blockers are not
                 // enough and the new one would deal additional damage
                 if ((damageNeeded > CombatUtil.totalDamageOfBlockers(attacker, combat.getBlockers(attacker)))
@@ -690,7 +690,7 @@ public class ComputerUtilBlock {
 
             for (final Card blocker : safeBlockers) {
                 final int damageNeeded = attacker.getKillDamage()
-                        + CombatUtil.predictToughnessBonusOfAttacker(attacker, blocker, combat);
+                        + CombatUtil.predictToughnessBonusOfAttacker(attacker, blocker, combat, false);
                 // Add an additional blocker if the current blockers are not
                 // enough and the new one would deal the remaining damage
                 final int currentDamage = CombatUtil.totalDamageOfBlockers(attacker, combat.getBlockers(attacker));